feat: add learning maps navigation

src/components/layout/Sidebar.tsx

@@ -15,6 +15,7 @@ import {
   GraduationCap,
   BookMarked,
   Gauge,
+  Images,
 } from 'lucide-react'
 
 const navItems = [
@@ -27,6 +28,7 @@ const navItems = [
   { path: '/process-graph', label: '过程关系图', icon: Share2 },
   { path: '/principles', label: '十二项原则', icon: BookMarked },
   { path: '/performance-domains', label: '八大绩效域', icon: Gauge },
+  { path: '/learning-maps', label: '一图流', icon: Images },
   { path: '/settings', label: '设置', icon: Settings },
 ]
 

src/data/changelog.json

@@ -1,5 +1,12 @@
 {
   "changelogEntries": [
+    {
+      "id": "2026-04-28-learning-maps",
+      "date": "2026-04-28",
+      "type": "feat",
+      "title": "增加一图流学习图谱",
+      "scope": "一图流"
+    },
     {
       "id": "2026-04-26-tailoring-topic-practice",
       "date": "2026-04-26",